Write a code to detect the first number having duplicate in below mentioned Array.
Array = [4 1 2 5 8 1 3]

Output would be 1.

Note : You can use any coding or scripting language.

Question

Write a code to detect the first number having duplicate in below mentioned Array.
Array = [4 1 2 5 8 1 3]

Output would be 1.

Note : You can use any coding or scripting language.

Prathima · Accepted Answer

public class Try {
		     public static void main(String []args){
		    	 int[] a= {4,1,2,5,8,1,3,8};
		    	 int counter=1;
		    for(int i=0;i

Anonymous · Answer

int a [] ={4,5,5,1,2,1,2};
    loop:for(int i=0; i

Anonymous · Answer

RUBY:

a = [4, 1, 2, 5, 8, 1, 3]
b = a.detect do |e| a.count(e) > 1 end
print b

Output : 1

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